Welcome to LCRA Maps, an online repository that allows LCRA cartographers to share
their work. You can download full-size maps by selecting a type of map using the drop-down list to the left. Do you have a question or a suggestion about the maps
on this site? Contact LCRA mapmakers at MAPS@lcra.org.

LCRA's Interactive Map tool. Shows the location of LCRA's Electric Service Area, Water Service Area, Parks and more.

HARN Interactive Map

The LCRA Sub-HARN (High Accuracy Reference Network) is an interactive map to access a network of sub-HARN quality GPS control marks. This survey control is being utilized by private surveyors, city, county and state government agencies to improve positional accuracy of surveyed components.

Water Quality Map

Retrieve detailed water quality information for the entire Colorado River basin.

CRWN Map

Retrieve water quality information collected by trained volunteer water quality monitors from the Colorado River Watch Network.